Finding the Fourth Proportional to 524,220.80, 785,164.80 and 430,908.80
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Solution
The fourth proportional to 524,220.80, 785,164.80 and 430,908.80 is: 645,404.42
Step by Step Solution
- Step 1: Write the proportion equation
524,220.80 : 785,164.80 = 430,908.80 : x - Step 2: Convert to fraction form
524,220.80/785,164.80 = 430,908.80/x - Step 3: Cross multiply
524,220.80x = 785,164.80 × 430,908.80 - Step 4: Simplify right side
524,220.80x = 338,334,421,770.24 - Step 5: Solve for x
x = 338,334,421,770.24/524,220.80 - Step 6: Final answer
x = 645,404.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.